Merge branch 'linus' into x86/tracehook

Conflicts:
	arch/x86/Kconfig

Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 10 insertions, 27 deletions

diff --git a/fs/xfs/xfs_dfrag.c b/fs/xfs/xfs_dfrag.c
index 5f3647cb9885..760f4c5b5160 100644
--- a/fs/xfs/xfs_dfrag.c
+++ b/fs/xfs/xfs_dfrag.c
@@ -116,7 +116,7 @@ xfs_swapext(
  out_put_file:
         fput(file);
  out_free_sxp:
-        kmem_free(sxp, sizeof(xfs_swapext_t));
+        kmem_free(sxp);
  out:
         return error;
 }
@@ -128,10 +128,8 @@ xfs_swap_extents(
         xfs_swapext_t   *sxp)
 {
         xfs_mount_t     *mp;
-        xfs_inode_t     *ips[2];
         xfs_trans_t     *tp;
         xfs_bstat_t     *sbp = &sxp->sx_stat;
-        bhv_vnode_t     *vp, *tvp;
         xfs_ifork_t     *tempifp, *ifp, *tifp;
         int             ilf_fields, tilf_fields;
         static uint     lock_flags = XFS_ILOCK_EXCL | XFS_IOLOCK_EXCL;
@@ -150,19 +148,8 @@ xfs_swap_extents(
         }
 
         sbp = &sxp->sx_stat;
-        vp = XFS_ITOV(ip);
-        tvp = XFS_ITOV(tip);
-
-        /* Lock in i_ino order */
-        if (ip->i_ino < tip->i_ino) {
-                ips[0] = ip;
-                ips[1] = tip;
-        } else {
-                ips[0] = tip;
-                ips[1] = ip;
-        }
 
-        xfs_lock_inodes(ips, 2, lock_flags);
+        xfs_lock_two_inodes(ip, tip, lock_flags);
         locked = 1;
 
         /* Verify that both files have the same format */
@@ -184,7 +171,7 @@ xfs_swap_extents(
                 goto error0;
         }
 
-        if (VN_CACHED(tvp) != 0) {
+        if (VN_CACHED(VFS_I(tip)) != 0) {
                 xfs_inval_cached_trace(tip, 0, -1, 0, -1);
                 error = xfs_flushinval_pages(tip, 0, -1,
                                 FI_REMAPF_LOCKED);
@@ -193,7 +180,7 @@ xfs_swap_extents(
         }
 
         /* Verify O_DIRECT for ftmp */
-        if (VN_CACHED(tvp) != 0) {
+        if (VN_CACHED(VFS_I(tip)) != 0) {
                 error = XFS_ERROR(EINVAL);
                 goto error0;
         }
@@ -237,7 +224,7 @@ xfs_swap_extents(
          * vop_read (or write in the case of autogrow) they block on the iolock
          * until we have switched the extents.
          */
-        if (VN_MAPPED(vp)) {
+        if (VN_MAPPED(VFS_I(ip))) {
                 error = XFS_ERROR(EBUSY);
                 goto error0;
         }
@@ -265,7 +252,7 @@ xfs_swap_extents(
                 locked = 0;
                 goto error0;
         }
-        xfs_lock_inodes(ips, 2, XFS_ILOCK_EXCL);
+        xfs_lock_two_inodes(ip, tip, XFS_ILOCK_EXCL);
 
         /*
          * Count the number of extended attribute blocks
@@ -350,15 +337,11 @@ xfs_swap_extents(
                 break;
         }
 
-        /*
-         * Increment vnode ref counts since xfs_trans_commit &
-         * xfs_trans_cancel will both unlock the inodes and
-         * decrement the associated ref counts.
-         */
-        VN_HOLD(vp);
-        VN_HOLD(tvp);
 
+        IHOLD(ip);
         xfs_trans_ijoin(tp, ip, lock_flags);
+
+        IHOLD(tip);
         xfs_trans_ijoin(tp, tip, lock_flags);
 
         xfs_trans_log_inode(tp, ip,  ilf_fields);
@@ -381,6 +364,6 @@ xfs_swap_extents(
                 xfs_iunlock(tip, lock_flags);
         }
         if (tempifp != NULL)
-                kmem_free(tempifp, sizeof(xfs_ifork_t));
+                kmem_free(tempifp);
         return error;
 }